/// <summary>
/// Ensures that a client for this GrandOutput is registered on a monitor.
/// </summary>
/// <param name="monitor">The monitor onto which a <see cref="GrandOutputClient"/> must be registered.</param>
/// <returns>A newly created client or the already existing one.</returns>
public GrandOutputClient Register(IActivityMonitor monitor)
{
if (monitor == null)
{
throw new ArgumentNullException("monitor");
}
AttemptGarbageDeadClients();
Func <GrandOutputClient> reg = () =>
{
var c = new GrandOutputClient(this);
lock (_clients) _clients.Add(new WeakReference <GrandOutputClient>(c));
return(c);
};
return(monitor.Output.RegisterUniqueClient(b => b.Central == this, reg));
}
GrandOutputClient?DoEnsureGrandOutputClient(IActivityMonitor monitor)
{
GrandOutputClient?Register()
{
var c = new GrandOutputClient(this);
lock ( _clients )
{
if (IsDisposed)
{
c = null;
}
else
{
_clients.Add(new WeakReference <GrandOutputClient>(c));
}
}
return(c);
}
return(monitor.Output.RegisterUniqueClient(b => { Debug.Assert(b != null); return b.Central == this; }, Register));
}
/// <summary>
/// Ensures that a client for this GrandOutput is registered on a monitor.
/// </summary>
/// <param name="monitor">The monitor onto which a <see cref="GrandOutputClient"/> must be registered.</param>
/// <returns>A newly created client or the already existing one.</returns>
public GrandOutputClient Register( IActivityMonitor monitor )
{
if( monitor == null ) throw new ArgumentNullException( "monitor" );
AttemptGarbageDeadClients();
Func<GrandOutputClient> reg = () =>
{
var c = new GrandOutputClient( this );
lock( _clients ) _clients.Add( new WeakReference<GrandOutputClient>( c ) );
return c;
};
return monitor.Output.RegisterUniqueClient( b => b.Central == this, reg );
}
